发明名称 |
PROCESS FOR THE REGENERATION OF USED SILICA GEL |
摘要 |
The present invention is concerned a process for the regeneration of the spe nt silica gel used in chromatography and for any other kind of silica. The process comprises 5 main steps, namely: washing with an extractant of organi c compounds and removing volatile organic materials remaining thereafter; oxidation to oxidize organic compounds remaining and, preferably, bleach the material; washing with an acid to remove soluble inorganic matter; heating t o dry the material and combust any remaining organic compounds present; and recovering the regenerated material. Various optional steps can be added to the process.
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申请公布号 |
CA2369409(A1) |
申请公布日期 |
2000.10.19 |
申请号 |
CA20002369409 |
申请日期 |
2000.04.06 |
申请人 |
SILICYCLE INC. |
发明人 |
COTE, SIMON;FORTIER, LUC;COUTURE, ANDRE;BERNIER, SIMON;ST-LAURENT, HUGO |
分类号 |
B01D15/20;B01J21/20;B01J38/02;B01J38/50;B01J38/60;B01J38/70;(IPC1-7):C01B33/12 |
主分类号 |
B01D15/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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